Validate and snapshot a bounded canonical lazy-reference-to-byte binding.
Ordinary deferred assets use HTTPS URLs. Pre-publication ABI candidates may
retain their exact immutable OCI reference; the closed fetcher treats that
reference only as an opaque map key and never delegates it to the network.
Validate and snapshot a bounded canonical lazy-reference-to-byte binding. Ordinary deferred assets use HTTPS URLs. Pre-publication ABI candidates may retain their exact immutable OCI reference; the closed fetcher treats that reference only as an opaque map key and never delegates it to the network.